[LeArc] HWODVN@ 10/27/02 4:17:43 PM

Sun, 27 Oct 2002 16:17:43 -0600

The following weather message is provided by McDonough County E.S.D.A.

FLUS43 KDVN 272226
HWODVN
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-009-
015>018-024>026-034-035-MOZ009-010-281100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
426 PM CST SUN OCT 27 2002

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF IOWA...ILLINOIS...AND
MISSOURI.

.DAY ONE...

AN UPPER LEVEL DISTURBANCE WILL BRING LIGHT PRECIPITATION TO MUCH
OF THE AREA TONIGHT. TEMPERATURES ARE COLD ENOUGH IN THE
LOWER LEVELS OF THE ATMOSPHERE TO SUPPORT THE PRECIPITATION FALLING
MAINLY AS SNOW ALONG AND NORTH OF HIGHWAY 20...WHERE
1 TO 2 INCHES OF ACCUMULATION IS LIKELY...ESPECIALLY ON GRASSY AND
ELEVATED SURFACES. SOUTH OF HIGHWAY 20 TO HIGHWAY 30...A MIXTURE
OF SNOW AND RAIN IS EXPECTED...WITH ACCUMULATIONS OF UP TO 1 INCH
POSSIBLE. SOUTH OF HIGHWAY 30 TO JUST SOUTH OF THE INTERSTATE 80
CORRIDOR...THE PRECIPITATION IS EXPECTED TO FALL AS RAIN...POSSIBLY
MIXED AT TIMES WITH SNOW...WITH ALL RAIN IN SOUTHEAST IOWA...WEST
CENTRAL ILLINOIS AND EXTREME NORTHEAST MISSOURI.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY TONIGHT.

.DAYS TWO THROUGH SEVEN...

...WINTER STORM STILL ON TARGET FOR MIDWEEK...

ENERGY WILL DIVE SOUTH THROUGH THE NORTHERN ROCKIES AND PLAINS ON
TUESDAY. THIS ENERGY IS EXPECTED TO PHASE WITH A COLD CANADIAN
AIRMASS AT THE SURFACE...TO DEVELOP A WINTER STORM OVER THE
MIDWEST ON WEDNESDAY. ALTHOUGH THERE STILL REMAINS SOME UNCERTAINTY
ON THE EXACT TRACK AND INTENSITY...IT IS LIKELY TO BE A SIGNIFICANT
STORM. BY WEDNESDAY AFTERNOON...WINDS WILL SHIFT TO THE
NORTHWEST AT 15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH POSSIBLE.
THESE STRONG NORTHWEST WINDS WILL USHER IN SHARPLY COLDER AIR...WITH
TEMPERATURES FALLING BELOW FREEZING. THIS WILL SWITCH ANY RAIN
OVER TO SNOW...WHICH WILL CONTINUE INTO WEDNESDAY NIGHT.
THE WINDS MAY CREATE SOME BLOWING AND DRIFTING OF SNOW...WHILE ROADS
MAY BECOME SLIPPERY. AT THIS TIME...IT APPEARS THE
AREA AT GREATEST RISK IS ALONG AND NORTH OF A LINE FROM MEMPHIS
MISSOURI...TO MONMOUTH ILLINOIS...TO PRINCETON ILLINOIS.
IT IS STILL TOO EARLY TO GIVE EXACT SNOWFALL AMOUNTS...BUT THE POTENTIAL
EXISTS FOR 2 TO 5 INCHES IN THE AREA OF CONCERN.
A WINTER STORM WATCH MAY BE NEEDED FOR THIS AREA OF CONCERN IN THE
NEXT 24 HOURS.

ONCE THE STORM SYSTEM DEPARTS ON THURSDAY...CANADIAN HIGH PRESSURE
WILL SETTLE IN OVER THE REGION BRINGING THE COLDEST
TEMPERATURES YET OF THE FALL SEASON...WITH RECORD OR NEAR RECORD LOWS
BY FRIDAY AND SATURDAY.

YOU ARE ENCOURAGED TO STAY TUNED TO LATER FORECASTS AND OUTLOOKS
REGARDING THIS LIKELY WINTER STORM FOR MIDWEEK.

$$
MCCLURE/NICHOLS